C08K 5/3447
Condensed with carbocyclic rings
Official title: condensed with carbocyclic rings
C08K5/3447 (Condensed with carbocyclic rings) appears on 107 US grants and 110 published applications in this corpus.
Search patents in C08K- Granted patents
- 107
- Published applications
- 110
- Assignees
- 105
- Inventors
- 402
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 3 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 5 |
| 2012 | 0 | 3 |
| 2013 | 6 | 7 |
| 2014 | 2 | 3 |
| 2015 | 6 | 5 |
| 2016 | 3 | 7 |
| 2017 | 5 | 5 |
| 2018 | 4 | 7 |
| 2019 | 2 | 6 |
| 2020 | 4 | 6 |
| 2021 | 6 | 8 |
| 2022 | 3 | 7 |
| 2023 | 6 | 5 |
| 2024 | 3 | 11 |
| 2025 | 7 | 4 |
| 2026 | 3 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water-soluble sheet-like coloring material, water-soluble sheet-like coloring material set, and paint set7 Apr 2026US 12,595,378 B2Kabushiki Kaisha Pilot Corporation
- Thermally conductive silicone heat dissipation material31 Mar 2026US 12,590,236 B2Fuji Polymer Industries Co., Ltd.
- Resin composition, resin sheet, laminate, semiconductor wafer with resin composition layer, substrate for mounting semiconductor with resin composition layer, and semiconductor device27 Jan 2026US 12,534,559 B2Mitsubishi Gas Chemical Company, Inc.
- Substituted benzimidazole melt additives11 Nov 2025US 12,467,174 B23M Innovative Properties Company
- Laminate and method for manufacturing laminate1 Jul 2025US 12,345,850 B2FUJIFILM Corporation
- Sealing member20 Aug 2026US 2026/0243372 A1Sumitomo Riko Company Limited
- Thermosetting resin composition, cured film, and solid-state imaging device30 Jul 2026US 2026/0217964 A1Dongwoo Fine-Chem Co., Ltd.
- Water-absorbing resin composition, water-stopping material, and cable23 Jul 2026US 2026/0208156 A1Sumitomo Seika Chemicals Co., Ltd.
- Rubber compositions comprising antidegradants23 Jul 2026US 2026/0209483 A1Flexsys America L. P.
- Composition, curable composition, cured body, optical product, lens, eyeglasses, antimicrobial/antiviral agent, and resin composition16 Jul 2026US 2026/0202582 A1Tokuyama Corporation
Most cited
By later US patents
- Optical coupling device and process for modulating light66US 5,845,025 AThe Trustees of the University of Pennsylvania · 1998
- Rubber compositions modified with hydroxy-benz-imidazole oxides31US 4,762,870 AThe Firestone Tire & Rubber Company · 1988
- Rubber compositions modified with benzimidazo-linones30US 4,761,446 AThe Firestone Tire & Rubber Company · 1988
- Polymers photostabilized by novel imidazole-2-carboxanilides24US 4,820,757 ABASF SE · 1989
- Pigment for electrophotographic toners and developers19US 6,028,178 AClariant GmbH · 2000